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Add-DAAppServer

Adds a new application server security group to the DirectAccess (DA) deployment, adds an application servers to an application server security group that is already part of the DirectAccess deployment, and adds or updates application server Group Policy Object (GPO) in a domain.

Networking / Security · Risk: High · Documentation Verified

Last verified: 2026-10-26

Microsoft RemoteAccess reference: Adds a new application server security group to the DirectAccess (DA) deployment, adds an application servers to an application server security group that is already part of the DirectAccess deployment, and adds or updates application server Group Policy Object (GPO) in a domain. The syntax and selected example below are adapted from the pinned Windows Server 2025 reference. Module availability, target configuration and delegated permissions determine whether it can run in your environment. Documentation and parameter text: Microsoft, CC BY 4.0; formatting adapted by Cmdlet World. No execution testing is claimed.

Add-DAAppServer [-SecurityGroupNameList <String[]>] [-GpoName <String[]>] [-ComputerName <String>] [-PassThru]
 [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob] [-WhatIf] [-Confirm] [<CommonParameters>]

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Required permissions

Use an account with the target resource permissions documented for Add-DAAppServer. Modifying administrative cmdlets may require elevation or delegated administration. This catalog does not assert that ordinary users can execute the command.

Supported environments

Windows / RemoteAccess · Windows Server 2025 documentation; feature/module prerequisites apply

Parameters

-AsJob: Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.
-CimSession: Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.
-ComputerName: Specifies the IPv4 or IPv6 address, or host name, of the computer on which the remote access server computer specific tasks should be run.
-Confirm: Prompts you for confirmation before running the cmdlet.
-GpoName: Specifies the name to be used when creating the application server GPO in the specified domain or represents the domain in which an app server GPO with the default name should be created. GPO is specified in the format DOMAIN\GPO_NAME. Domain is specified in the format DOMAIN. If the parameter contains only the domain name then the following default GPO name is used: -- \ application server policy for \. The Default value is DirectAccess Application Server Settings A list of GPOs can be specified.
-Name (required): Specifies the list of application servers that have to be added to the DirectAccess deployment. The servers are specified by their hostnames and are added to the security group specified by the SecurityGroupName parameter. The servers cannot be specified by their IPv4 or IPv6 addresses.
-PassThru: Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.
-SecurityGroupName (required): Specifies the name of a security group that is already part of the DirectAccess deployment to which the specified list of application servers should be added. Specified in the DOMAIN\SG_NAME format.
-SecurityGroupNameList: Specifies the list of application server security groups that are to be added to the DirectAccess deployment. Specified in DOMAIN\SG_NAME format.
-ThrottleLimit: Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.
-WhatIf: Shows what would happen if the cmdlet runs. The cmdlet is not run.

Prerequisites

Windows with the RemoteAccess module and the Windows feature or management tools that provide it. Confirm target connectivity and version compatibility using the linked Microsoft reference.

Security considerations

This cmdlet changes system state. Review every target and parameter in the official reference, test outside production, and prepare an appropriate backup or rollback. Do not execute the example automatically.

Examples

EXAMPLE 1

Add-DAAppServer -SecurityGroupNameList daAppServerGrp -PassThru

This example adds an appserver security group to DirectAccess deployment. This cmdlet adds security group daAppServerGrp consisting of application servers to the DirectAccess deployment. Additionally, a GPO is created with default name DirectAccess Application Server Settings in the same domain as the DirectAccess server and the GPO is filtered on this security group. Source: Microsoft, CC BY 4.0; transcript prompt/output removed. This example was not executed.

Sources

https://github.com/MicrosoftDocs/windows-powershell-docs/blob/b7645dd8c687139b28e845119da30ec670526507/docset/winserver2025-ps/RemoteAccess/Add-DAAppServer.md

https://learn.microsoft.com/powershell/module/remoteaccess/add-daappserver?view=windowsserver2025-ps

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